Display and print a spreadsheet
This section shows how to display and print a spreadsheet. Everything is done in Java and does not require any external application.
Developpers having used OpenOffice.org and UNO to do this job will be happy to find here a faster and easier approach to display and print document.
There a 2 ways to print a spreadsheet. You can allow the user to print directly from the built-in viewer or manage the entire process programmaticaly.
First method: add the print fonctionnality to the viewer
// Load the spreadsheet.
final OpenDocument doc = new OpenDocument();
doc.loadFrom("template/invoice.ods");
// Show time !
final JFrame mainFrame = new JFrame("Viewer");
DefaultDocumentPrinter printer = new DefaultDocumentPrinter();
ODSViewerPanel viewerPanel = new ODSViewerPanel(doc, printer, true);
mainFrame.setContentPane(viewerPanel);
mainFrame.pack();
mainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
mainFrame.setLocation(10, 10);
mainFrame.setVisible(true); |
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A print button appears in the toolbar:
The DefaultDocumentPrinter is very basic on only try to fit the document on the printed page.
You can easily change this behaviour by implementing the DocumentPrinter interface.
Second method: use the DocumentPrinter
// Load the spreadsheet.
final OpenDocument doc = new OpenDocument();
doc.loadFrom("template/invoice.ods");
// Print !
DefaultDocumentPrinter printer = new DefaultDocumentPrinter();
printer.print(doc); |
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The DefaultDocumentPrinter will open a print dialog. If you preffer to print without user interaction, just look a the ODTPrinter class and remove the call to printJob.printDialog(). If you are familiar with the Java printing API, you will be able to create quickly your own DocumentPrinter.